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Spin-density wave (SDW) and charge-density wave (CDW) are names for two similar low-energy ordered states of solids. Both these states occur at low temperature
Spin_density_wave
Quantum field of electrons
electron spins are spatially modulated to form a standing spin wave in a spin density wave (SDW). A SDW can be viewed as two CDWs for the spin-up and spin-down
Charge_density_wave
Mathematical description of quantum state
particles, like electrons and photons, have nonzero spin, and the wave function for such particles includes spin as an intrinsic, discrete degree of freedom;
Wave_function
Dynamic disturbance in a medium or field
materials Rayleigh wave, surface acoustic waves that travel on solids Spin wave, in magnetism Spin density wave, in solid materials Trojan wave packet, in particle
Wave
Superconductive behavior at temperatures much higher than absolute zero
superconductor, its spin creates a spin-density wave around it. This spin-density wave in turn causes a nearby electron to fall into the spin depression created
High-temperature superconductivity
High-temperature_superconductivity
Description of a quantum-mechanical system
led to a problem with probability density even though it was a relativistic wave equation. The probability density could be negative, which is physically
Schrödinger_equation
Probability density of electrons being somewhere
N} spin coordinates). Conversely, the density determines the wave function modulo up to a phase factor, providing the formal foundation of density functional
Electron_density
chemistry, spin contamination is the artificial mixing of different electronic spin-states. This can occur when an approximate orbital-based wave function
Spin_contamination
with zero net magnetization and spin-split electronic bands. Spin-density wave: An ordered state in which spin density is periodically modulated. Helimagnetism:
List_of_states_of_matter
Chemical element with atomic number 24 (Cr)
1016/C2009-0-30414-6. ISBN 978-0-08-037941-8. Fawcett, Eric (1988). "Spin-density-wave antiferromagnetism in chromium". Reviews of Modern Physics. 60: 209
Chromium
Physical model of solid metals as electron gases
"Giant Spin Density Waves". Phys. Rev. Lett. 4 (9): 462–465. Bibcode:1960PhRvL...4..462O. doi:10.1103/PhysRevLett.4.462. A. W. Overhauser (1962). "Spin Density
Jellium
Topics referred to by the same term
Sandwich railway station, station code Seven dirty words South Downs Way Spin density wave Static discharge wick, a device attached to the trailing edge of an
SDW
Interpretation of quantum mechanics
postulate. Rather, in this theory, the link between the probability density and the wave function has the status of a theorem, a result of a separate postulate
De_Broglie–Bohm_theory
Collapsed core of a massive star
degeneracies in detections by gravitational wave detectors of the quadrupole moment and spin, allowing the average spin to be determined within a certain confidence
Neutron_star
Type of electromagnetic radiation
radio waves is determined by a quantum mechanical property of the photons called their spin. A photon can have one of two possible values of spin; it can
Radio_wave
Ordered arrangement of magnetic spins in a material
antiferromagnet, but also has an incommensurate spin density wave modulation on top of the simple up-down spin alternation. Manganese (in the α-Mn form) has
Magnetic_structure
Mathematical entity to describe the probability of each possible measurement on a system
space, and instead are commonly represented as density matrices. Common examples of quantum states are the wave functions describing position and momentum
Quantum_state
the low temperature state is an antiferromagnetic state known as a spin-density-wave. Superconductivity has been observed in the 122s up to a current maximum
122_iron_arsenide
Intrinsic quantum property of particles
SU(2) Spin angular momentum of light Spin engineering Spin-flip Spin isomers of hydrogen Spin–orbit interaction Spin tensor Spintronics Spin wave Yrast
Spin_(physics)
Conserved physical quantity; rotational analogue of linear momentum
sphere's density, f {\displaystyle f} is the frequency of rotation and r {\displaystyle r} is the sphere's radius. In the simplest case of a spinning disk
Angular_momentum
Organic compound that exhibits superconductivity at low temperatures
phase diagram containing antiferromagnetic ordering, charge order, spin-density wave state, dimensional crossover and superconductivity. Only one Bechgaard
Organic_superconductor
Theoretical model describing interacting fermions in a one-dimensional conductor
propagate independently from the charge density waves. This fact is known as spin-charge separation. Charge and spin waves are the elementary excitations of
Luttinger_liquid
Number of available physical states per energy unit
system, the density of states can be calculated for electrons, photons, or phonons, and can be given as a function of either energy or the wave vector k
Density_of_states
in Physics at Harvard University focused on the "Effects of Static Spin Density Waves on Electron Transport". Saxena, V.K.; Van Zandt, L.L. (December 1994)
Lonnie_Lee_Van_Zandt
Symmetry breaking through the vacuum state
with slow density fluctuations of the crystal's atoms. The associated Goldstone mode for magnets are oscillating waves of spin known as spin-waves. For symmetry-breaking
Spontaneous_symmetry_breaking
Type of wave
{\displaystyle \ \rho ~~~} is the mass density of the medium. The attenuation of a wave in a medium describes the loss of energy a wave carries as it propagates throughout
Longitudinal_wave
Theoretical model in physics
momentum dependent spectral function, and the presence of spin-charge separation and of spin-density waves. One cannot ignore the existence of interactions in
Fermi_liquid_theory
New Zealand scientist
6140. ISSN 0163-1829. PMID 9936629. Chan, S -K; Heine, V (1973). "Spin density wave and soft phonon mode from nesting Fermi surfaces". Journal of Physics
Volker_Heine
Quantum explanation of electromagnetic polarization
sinusoidal plane wave propagating along z {\displaystyle z} axis the orbital angular momentum density vanishes. The spin angular momentum density is in the z
Photon_polarization
Type of superconductor
cuprates, are ordered antiferromagnetically that often termed as a spin-density wave (SDW). Some parent compounds superconduct. Otherwise, superconductivity
Iron-based_superconductor
Taiwanese-American condensed matter physicist
spintronic phenomena. In 2010, his group studied the coexistence of spin-density wave (SDW) and superconductivity in electron-doped iron pnictides, revealing
Chin-Sen_Ting
Italian theoretical physicist
including layer crystals such as graphite and semiconductors; charge- and spin-density-waves; surface physics in all its aspects, particularly reconstruction,
Erio_Tosatti
Value for the flow of probability in quantum mechanics
{\displaystyle \rho } is the mass density of the fluid and v is its velocity (also the group velocity of the wave). In the classical limit, we can associate
Probability_current
Aspect of relativity in physics
Transitions between s-wave and d-wave are gravitational spin-2. Out of equilibrium conditions can be induced by injecting s-wave Cooper pairs from a low
Gravitational_wave
Japanese condensed matter physicist
the pseudo-gap phase as a kind of unconventional spin-density wave. As evidence accumulated for d-wave pairing in high-temperature copper oxide superconductors
Kazumi_Maki
Abstract boundary in condensed matter physics
states are superconductors, ferromagnets, Jahn–Teller distortions and spin density waves. The state occupancy of fermions like electrons is governed by Fermi–Dirac
Fermi_surface
position or in momentum space, of quantities like wave function, electron charge and spin density, density matrices and all properties related to them (like
Quantum_crystallography
Property of waves that can oscillate with more than one orientation
polarized electromagnetic waves are composed of photons with only one type of spin, either right- or left-hand. Linearly polarized waves consist of photons that
Polarization_(waves)
Electromagnetic effect in physics
when the spin is parallel to the field and − {\displaystyle -} when it is antiparallel. This fact called spin splitting implies that the density of states
Quantum_Hall_effect
Japanese physicist (1959–1998)
Fujita, M. (1990). "Soliton Lattice Modulation of Incommensurate Spin Density Wave in Two Dimensional Hubbard Model – A Mean Field Study –". J. Phys
Mitsutaka_Fujita
Relativistic quantum mechanical wave equation
relativistic wave equation derived by British physicist Paul Dirac in 1928. In its free form, or including electromagnetic interactions, it describes all spin-1/2
Dirac_equation
instance, charge ordering, spin-Peierls, spin-density wave, antiferromagnetic state, superconductivity, charge-density wave to name only some of them.
Charge_ordering
Class of chemical compounds
; Chu, C. W. (2008). "Pressure Effects on the Superconducting and Spin-Density-Wave States of the Newly Discovered Sm(O1-XFX)FeAs". arXiv:0804.1582v1
Oxyphosphides
S_{z}} . Spin wave function Part of a wave function of particle(s). See "total wave function of a particle". Spinor Synonymous to "spin wave function"
Glossary of elementary quantum mechanics
Glossary_of_elementary_quantum_mechanics
Mathematical physics equation tied to the Dirac current
of mass of the particles and a part that arises from gradients of the spin density. It makes explicit use of the Dirac equation and so it applies only to
Gordon_decomposition
Function describing an electron in an atom
such as: each wave state has the same electric charge as its electron particle. Each wave state has a single discrete spin (spin up or spin down) depending
Atomic_orbital
Quantum mechanics principle
the same spin—then interchanging them would change nothing and the total wave function would be unchanged. However, the only way a total wave function
Pauli_exclusion_principle
Physics phenomenon
presentation of quantum mechanics, performing a spin measurement on one of the particles causes the wave function for the whole pair to collapse into a
Quantum_entanglement
Approximations in density functional theory
realistic systems (molecules and solids). In general, for a spin-unpolarized system, a local-density approximation for the exchange-correlation energy is written
Local-density_approximation
Elementary particle or quantum of light
electromagnetic field, including electromagnetic radiation such as light and radio waves, and the force carrier for the electromagnetic force. Photons are massless
Photon
with the semi-empirical MOPAC code, the Quantum ESPRESSO plane wave code, a density-functional based tight binding (DFTB) module, a reactive force field
Amsterdam_Density_Functional
Elementary particles with a spin of 1/2
mechanics, spin is an intrinsic property of all elementary particles. All known fermions, the particles that constitute ordinary matter, have a spin of 1/2
Spin_1/2
Russian physicist (1916–2009)
quantum wells and dots, metal-dielectric transitions, charge- and spin-density waves, mesoscopics). Second-order and related phase transitions. Some examples
Vitaly_Ginzburg
Quantum mechanics taking into account particles near or at the speed of light
"Electromagnetic Properties for Arbitrary Spin Particles: Part 2 − Natural Moments and Transverse Charge Densities". Physical Review D. 79 (11) 113011. arXiv:0901
Relativistic quantum mechanics
Relativistic_quantum_mechanics
Region from 660 to 2900 km below Earth's surface
The upper boundary is defined by the sharp increase in seismic wave velocities and density at a depth of 660 km (410 mi). At a depth of 660 km (410 mi)
Lower_mantle
Wave equations respecting special and general relativity
because they have the mathematical form of a wave equation or are generated from a Lagrangian density and the field-theoretic Euler–Lagrange equations
Relativistic_wave_equations
Spin crossover Spin density wave Spin diffusion Spin echo Spin foam Spin glass Spin ice Spin isomers of hydrogen Spin magnetic moment Spin model Spin
Index_of_physics_articles_(S)
Quantum mechanical effect
occupy the same state. Since electrons have spin 1/2, they are fermions. This means that the overall wave function of a system must be antisymmetric when
Exchange_interaction
Spin 1 quasiparticle; quantum of a spin wave
spin structure of an electron in a crystal lattice. In the equivalent wave picture of quantum mechanics, a magnon can be viewed as a quantized spin wave
Magnon
Computational quantum mechanical modelling method to investigate electronic structure
^{3}\mathbf {r} .} The local spin-density approximation (LSDA) is a straightforward generalization of the LDA to include electron spin: E XC LSDA [ n ↑ , n ↓
Density_functional_theory
Weak, attractive magnetism possessed by most elements and some compounds
resulting in paramagnetic behavior. The unpaired spins reside in orbitals derived from oxygen p wave functions, but the overlap is limited to the one
Paramagnetism
Complex number whose squared absolute value is a probability
\mathrm {d\mathbf {x} } .} The probability density function does not vary with time as the evolution of the wave function is dictated by the Schrödinger
Probability_amplitude
Relativistic interaction in quantum physics
mechanics, the spin–orbit interaction (also called spin–orbit effect or spin–orbit coupling) is a relativistic interaction of a particle's spin with its motion
Spin–orbit_interaction
Quantum mechanical waves describing matter
Matter waves are a central part of the theory of quantum mechanics, being half of wave–particle duality. At all scales where measurements have been practical
Matter_wave
American condensed matter physicist (born 1954)
mechanism for the spin density wave ground state of chromium and also contributed to understanding electronic instabilities in charge density wave materials and
Stephen_Kevan
Type of computer memory
from the original on 2012-01-11. L Berger (October 1996). "Emission of spin waves by a magnetic multilayer traversed by a current". Physical Review B. 54
Magnetoresistive_RAM
Description of physical properties at the atomic and subatomic scale
points, as individual particles rather than waves; the interference pattern appears via the varying density of these particle hits on the screen. Furthermore
Quantum_mechanics
Tensor describing energy momentum density in spacetime
energy–momentum tensor, is a tensor field quantity that describes the density and flux of energy and momentum at each point in spacetime, generalizing
Stress–energy_tensor
Mathematical wave functions
Tensor networks or tensor network states are a class of variational wave functions used in the study of many-body quantum systems and fluids. Tensor networks
Tensor_network
1922 physical experiment demonstrating that atomic spin is quantized
Experiment Animation, applications and research linked to the spin (Université Paris Sud) Wave Mechanics and Stern–Gerlach experiment at MIT OpenCourseWare
Stern–Gerlach_experiment
Screening phenomenon in metals
screening cannot be considered as a point entity but a wave-vector is required to describe them. Charge density away from the perturbation is not a continuum but
Friedel_oscillations
Mathematical description of fermions
relativistic spin-1/2 wave function solutions to the Dirac equation. They are constructed out of two simpler component spinors, the Weyl spinors. Each of
Dirac_spinor
Fields giving rise to fermionic particles
spin-1/2: electrons, protons, quarks, etc. The Dirac field can be described as either a 4-component spinor or as a pair of 2-component Weyl spinors.
Fermionic_field
Non-mathematical introduction
can allow an atom that was spun up to spin down: measuring its spin about the horizontal axis collapses its wave function into one of the eigenstates of
Introduction to quantum mechanics
Introduction_to_quantum_mechanics
Chemical compound
In scanning tunneling microscopy measurements, charge density waves (CDW) and pair density waves (PDW) have been reported, however later studies failed
Uranium_ditelluride
Compact astronomical body
followed by computer modelling. Gravitational waves from coalescing binary black holes can also provide the spin of both progenitor black holes and the merged
Black_hole
Hypothetical elementary particle that mediates gravity
graviton has mass (however, gravitational waves must propagate slower than c in a region with non-zero mass density if they are to be detectable). Furthermore
Graviton
Physical magneto-optical phenomenon
magneto-optical microscopy: Imaging from picoseconds to centimeters - imaging spin waves and temperature distributions (invited)". AIP Advances. 6 (5): 055605
Faraday_effect
Relativistic wave equation in quantum mechanics
In particle physics, the Klein–Gordon equation is a relativistic wave equation for spinless particles. It was discovered 1926 as the relativistic generalization
Klein–Gordon_equation
Elementary particle with negative charge
gas can undergo plasma oscillation, which is waves caused by synchronized variations in electron density, and these produce energy emissions that can
Electron
Chemistry based on quantum physics
attempt to describe many-electron systems on the basis of electronic density instead of wave functions, although it was not very successful in the treatment
Quantum_chemistry
Concept in quantum mechanics
Wave–particle duality is the concept in quantum mechanics that fundamental entities of the universe, like photons and electrons, exhibit particle or wave
Wave–particle_duality
Pulsar in the constellation Taurus
gravitational waves several orders of magnitude below the spin-down limit. It is hoped that with the improvement of the sensitivity of gravitational wave instruments
Crab_Pulsar
(Parrinello-Rahman). Spin-polarized calculations (collinear or not). k-sampling of the Brillouin zone. The local and orbital-projected density of states. COOP
SIESTA_(computer_program)
Cosmological model in which the observable universe is the interior of a black hole
Dirac spinor fields, are the source of torsion, generating a repulsive spin-spin interaction, which becomes strong at extremely high densities, naturally
Black_hole_cosmology
Partial differential equation describing physical fields
given suitable Lagrangian or Hamiltonian densities and using the principle of stationary action, the wave equations can be obtained also. For example
Field_equation
(linearized) augmented plane-wave and local-orbitals [FP-(L)APW+lo] basis set to solve the Kohn–Sham equations of density functional theory. WIEN2k was
WIEN2k
Numerical variational technique
Stellan (1996-06-28). "Class of ansatz wave functions for one-dimensional spin systems and their relation to the density matrix renormalization group". Physical
Density matrix renormalization group
Density_matrix_renormalization_group
Quantum description of black holes
a fuzzball's density varies from the surface where it is less dense, to its center where it is most dense. A bit of such a non-spinning fuzzball the size
Fuzzball_(string_theory)
Theoretical physicist and professor (1939–2024)
electron-hole liquids in optically pumped semiconductors, and charge and spin density waves. In the early 1980s, Rice moved to ETH Zurich, a few years before
Thomas_Maurice_Rice
One of two foundational theories of quantum chemistry
orbitals of two shared electrons overlap head-to-head, with the electron density most concentrated between nuclei. Pi bonds occur when two orbitals overlap
Valence_bond_theory
Third planet from the Sun
causing expansion of the air. This lower-density air then rises and is replaced by cooler, higher-density air. The result is atmospheric circulation
Earth
American Physicist
known for his role in Charge density wave (in explaining the collective quantum transport of electrons in charge density waves), research work on Cuprates
John_H._Miller_Jr.
Quantum mechanical statistic
Esposito, S. (1999). "On the role of Spin in Quantum Mechanics". arXiv:quant-ph/9902019. p. 7 S. Esposito: Photon wave mechanics: A de Broglie–Bohm approach
Quantum_potential
Pulsar with a rotational period less than about 10 milliseconds
clusters. This is consistent with the spin-up hypothesis of their formation, as the extremely high stellar density of these clusters implies a much higher
Millisecond_pulsar
Interaction between electronic and nuclear vibrational motion in a molecule
since although TDDFT does not give excited state wave functions, it does give reduced transition density matrices, not only between the ground state and
Vibronic_coupling
Process by which a quantum system takes on a definitive state
interpretations of quantum mechanics, wave function collapse, also called reduction of the state vector, occurs when a wave function—initially in a superposition
Wave_function_collapse
Electronic structure imaging method
the joint density of states: large QPI signal at a given wave vector q {\displaystyle \mathbf {q} } is a consequence of a large joint density of states
Quasiparticle interference imaging
Quasiparticle_interference_imaging
NASA satellite of the Explorer program
electrostatic waves that may cause field-aligned acceleration of particles. The investigation made use of the long dipole antennas in the spin plane and along
Dynamics_Explorer_1
Principle of quantum mechanics
\Psi } is the sum of the tensor products of the position space wave functions and spinors. Successful experiments involving superpositions of relatively
Quantum_superposition
SPIN DENSITY-WAVE
SPIN DENSITY-WAVE
Girl/Female
American, Australian
God is My Judge
Girl/Female
Muslim
Glowing skin
Girl/Female
Biblical
Rare, precious.
Male
Babylonian
, I trust in Sin!
Male
Japanese
(1-晋, 2-信, 3-紳, 4-心, 5-慎, 6-新, 7-進, 8-真) Japanese name SHIN means 1) "advancing," 2) "belief," 3) "gentleman," 4) "heart," 5) "humble," 6) "new," 7) "progressive," and 8) "true." Compare with another form of Shin.
Girl/Female
Indian
Another Name of Happness
Girl/Female
Indian
Glowing skin
Male
French
Old French name, possibly derived from the word pepin/pipin, PÉPIN means "seed of a fruit."
Boy/Male
Indian, Sanskrit
Skin of a Goat; Tiger Skin
Boy/Male
Australian, Spanish
Innocent
Girl/Female
Australian, Indian, Punjabi, Sikh
Quite and Gentle
Girl/Female
Australian, Biblical, Kurdish
Bush
Surname or Lastname
English
English : from Middle English spink ‘chaffinch’ (probably of imitative origin), hence a nickname bestowed on account of some fancied resemblance to the bird.
Biblical
rare; precious
Surname or Lastname
English (Somerset)
English (Somerset) : apparently a habitational name from an unidentified place. It is probably a variant of Denslow or possibly Denley, neither of which are of identified origin.
Boy/Male
Indian
Royal Boy
Female/Male/Unisex
Korean
Korean name SHIN means "faith, trust." Compare with another form of Shin.
Biblical
a bush, enmity
Girl/Female
Native American
Spins.
Surname or Lastname
English and Irish
English and Irish : (of Norman origin): habitational name from Épaignes in Eure, recorded in the Latin form Hispania in the 12th century. It seems to have been so called because it was established by colonists from Spain during the Roman Empire.English and Irish : habitational name from Espinay in Ille-et-Vilaine, Brittany, so called from a collective of Old French espine ‘thorn bush’.English and Irish : ethnic name for a Spaniard or, in the case of the Irish name, for someone returning from Spain (from Gaelic Spainneach ‘Spanish’); many Irish took refuge in Spain during the 17th century wars.
SPIN DENSITY-WAVE
SPIN DENSITY-WAVE
Girl/Female
Norse
Eagle spirit.
Girl/Female
Tamil
Sakshitha | ஸகà¯à®·à¯€à®¤à®¾
Witness provider
Boy/Male
Hindu
Wreath, Rope, Girdle, Chaplet
Boy/Male
Hindu
In front
Boy/Male
Indian, Sanskrit
Pervding the Consciousness
Girl/Female
Indian, Traditional
Beauty of the Moon
Boy/Male
American, Australian, British, Christian, English, French, German
Combination of Maria and Magdalene; Form of Marilyn; Bitter; Small Falcon; Little Hawk
Female
African
image of her mother.
Boy/Male
Tamil
Not any affection, Jealousy to other
Girl/Female
Hindu
Lord krishnas wife (Wife of Lord Krishna)
SPIN DENSITY-WAVE
SPIN DENSITY-WAVE
SPIN DENSITY-WAVE
SPIN DENSITY-WAVE
SPIN DENSITY-WAVE
v. i.
To practice spinning; to work at drawing and twisting threads; to make yarn or thread from fiber; as, the woman knows how to spin; a machine or jenny spins with great exactness.
v. t.
To cause to turn round rapidly; to whirl; to twirl; as, to spin a top.
imp. & p. p.
of Spin
imp. & p. p.
of Spit
n.
The act of spinning; as, the spin of a top; a spin a bicycle.
a.
Like a spine in shape; slender.
v. t.
To cover with skin, or as with skin; hence, to cover superficially.
n.
To thrust a spit through; to fix upon a spit; hence, to thrust through or impale; as, to spit a loin of veal.
n.
The quality or state of being tenuous; thinness, applied to a broad substance; slenderness, applied to anything that is long; as, the tenuity of a leaf; the tenuity of a hair.
n.
Rarily; rareness; thinness, as of a fluid; as, the tenuity of the air; the tenuity of the blood.
v. i.
To attend to a spit; to use a spit.
v. t.
To strip off the skin or hide of; to flay; to peel; as, to skin an animal.
n.
A sin offering; a sacrifice for sin.
v. t.
To draw out, and twist into threads, either by the hand or machinery; as, to spin wool, cotton, or flax; to spin goat's hair; to produce by drawing out and twisting a fibrous material.
v. t.
To draw out tediously; to form by a slow process, or by degrees; to extend to a great length; -- with out; as, to spin out large volumes on a subject.
v. t.
To protract; to spend by delays; as, to spin out the day in idleness.
v. i.
To move swifty; as, to spin along the road in a carriage, on a bicycle, etc.
imp.
of Spin